Home / 1,367,686.32-1,887,308.28-755,831.76

Finding the Fourth Proportional to 1,367,686.32, 1,887,308.28 and 755,831.76

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Solution

The fourth proportional to 1,367,686.32, 1,887,308.28 and 755,831.76 is: 1,042,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,686.32 : 1,887,308.28 = 755,831.76 : x
  2. Step 2: Convert to fraction form
    1,367,686.32/1,887,308.28 = 755,831.76/x
  3. Step 3: Cross multiply
    1,367,686.32x = 1,887,308.28 × 755,831.76
  4. Step 4: Simplify right side
    1,367,686.32x = 1,426,487,538,934.97
  5. Step 5: Solve for x
    x = 1,426,487,538,934.97/1,367,686.32
  6. Step 6: Final answer
    x = 1,042,993.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.